Up/Down Binary Counter With Preset And Ripple Clock

The 74F191 is a reversible modulo-16 binary Counter featuring synchronous counting and asynchronous presetting. The preset feature allows the 74F191 to be used in programmable dividers. The Count Enable input, the Terminal Count output and Ripple Clock output make possible a variety of methods of implementing multistage Counters In the counting modes, state changes are initiated by the rising edge of the Clock
By Fairchild Semiconductor
Part Manufacturer Description Datasheet Samples
74F191PC Rochester Electronics LLC Binary Counter, F/FAST Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDIP16, 0.300 INCH, PLASTIC, MS-001, DIP-16
74F191SCX Rochester Electronics LLC Binary Counter, F/FAST Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDSO16, 0.150 INCH, MS-012, SOIC-16
74F191DC Rochester Electronics LLC Binary Counter, F/FAST Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, CDIP16, CERAMIC, DIP-16
74F191CW Rochester Electronics LLC Binary Counter, F/FAST Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, 16 PINS, WAFER
74F191SJX Rochester Electronics LLC Binary Counter, F/FAST Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDSO16, 5.30 MM, EIAJ TYPE2, SOP-16
74F191PCQR Rochester Electronics LLC Binary Counter, F/FAST Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDIP16, PLASTIC, DIP-16
74F191SC Rochester Electronics LLC Binary Counter, F/FAST Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDSO16, 0.150 INCH, MS-012, SOIC-16
MC74F191NDS Rochester Electronics LLC Decade Counter,
MC74F191JS Rochester Electronics LLC Decade Counter,
N74F191N Rochester Electronics LLC Binary Counter, F/FAST Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, PDIP16, PLASTIC, SOT38-4, DIP-16
74F191 's Packages74F191 's pdf datasheet
74F191PC DIP
74F191SC SOIC
74F191SCX SOIC
74F191SCX-NL SOIC
74F191SJ SOP
74F191SJX SOP




74F191 Pinout, Pinouts
74F191 pinout,Pin out
This is one package pinout of 74F191,If you need more pinouts please download 74F191's pdf datasheet.

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